import java.util.*;
public class Main
{
public static void main(String[] args){
//    String str = "hello world hello bit" ;
//    String[] result = str.split(" ") ; // 按照空格拆分
//    for(String s: result) {
//        System.out.println(s);
//    }
    Scanner s=new Scanner(System.in);

    System.out.println("123456\\\\n456");
}
}
//{
//Scanner s = new Scanner(System.in);
//HashMap<String, Integer> mp = new HashMap<>();
//ArrayList<String> arr = new ArrayList<>();
//while(s.hasNext())
//{
////文件名
//String curStr = s.next();
////行号
//String num = s.next();
////文件名预处理
//String[] strArr = curStr.split("\\\\");
////取最后一个反斜杠之后的内容
//curStr = strArr[strArr.length - 1];
////判断长度是否大于16
//if(curStr.length() > 16)
//curStr = curStr.substring(curStr.length() - 16);
////加上行号
//curStr += " " + num;
////判断是否为第一次出现
//if(!mp.containsKey(curStr))
//{
////加入新的记录
//arr.add(curStr);
//mp.put(curStr, 1);
//}
//else
////累加
//mp.put(curStr, mp.get(curStr) + 1);
//}
////打印最后8条记录
//int start = 0;
//(arr.size() > 8)
//start = arr.size() - 8;
//for(; start < arr.size(); ++start)
//System.out.println(arr.get(start) + " " + mp.get(arr.get(start)));
//}
//}